PROVN OF 40 KVA STAND BY DG SET FOR IT SERVER ROOM, SECURITY / PERIMETER LIGHTING, CONFERENCE HALL AND ELECTRICALLY OPERATED SECURITY BARRIERS AT BVY AND SPL REPAIRS TO STREET LIGHTS AND LT POLES AT HQ 32 WEU, VISAKHAPATNAM

Amount

Supply, install, test and commissioning of Minimum 40 KVA/32 KW diesel engine driven Generating set with alternator out put Voltage 415 Volts +/- 1% at set value of 415 V at a frequency 50HZ +/- 0.5% with suitable standard control panel, all mounted in acoustic enclosure and AMF panel as per manufacturers design and specification as per approved CPCB-II norms confirming to the detailed specifications appended below :- Make of OEM: KOEL GREEN (M/s Kirloskar) / Stamford / Sudhir / Jackson / Cotton Greaves / Cummins (i) ENGINE (a) General: Suitable four stroke compressed ignition, radiator water cooled,Turbocharged aspiration, continuous duty with 10% overload capacity for any one hour in 12 hours running, 50°C intake air temperature, CPCB-II approved Engine developing minimum 40 HP at 1500 RPM and 1650 over speed RPM coupled to alternator mounted on Channel Iron base frame with inbuilt removable fuel tank of capacity not less than 12 Hrs consumption capacity at 75% load or more as per manufactures recommendation. The prime mover provided should be as per IS specifications having engine overload protection. (b) Air intake system : Should comprise of dry type intake air filter mounted on engine, one in number vacuum indicator mounted on intake piping. (Contd...)

(c) Exhaust System: Should comprise of one exhaust manifold, dry type, mounted on engine, one exhaust silencer which should be positioned in such a way that the exhaust gas is not sucked by the fan on the radiator, thereby affecting the cooling system. The silencer should cater to the noise level tolerance prescribed in the relevant BS/IS. The silencer should be provided with flaps it will open only when the generator is running with a provision of extended exhaust beyond the building duly supported with GI pipe 100MM dia so that exhaust gas is released out side. The complete exhaust system shall be properly supported so that entire lot of the exhaust system shall not fall on the DG Set. (d) Fuel System: Should comprise of disposal type element fuel filter, pressure type fuel pump mounted on engine, non return check valve in fuel supply and drain lines, wire braided hose between filter and pump, fuel system with suitable capacity full authority electronic engine electronic governor and engine mounted actuator. The fuel tank must have proper locking arrangement with level indicator and to be integrated with base frame. (e) Cooling System: Should comprise of radiator designed and tested for 50o C ambient temperature with 7 PSI pressure cap mounted on base rail. The thermostat installed in the engine coolant outlet, fresh water pump mounted on engine, fan and fan hub mounted on engine. A reservoir of 50% of radiator capacity to replenish coolant by gravity (as and when required) is also to be provided. (f) Lubricating System: Should comprise of lubricating oil sump mounted on engine, gear driven lub oil pump mounted on engine, lubricating oil cooler-fresh water cooled integral with engine cool out circuit mounted on engine, oil filter lubricating with cap and lubricating oil dip stick for oil level check mounted on engine. The system should be capable of feeding lube oil to the main end & large end bearings, cam shaft, valve rocker gear and all moving parts. (g) Starting System: Should comprise of suitable voltage DC electrical starter mounted on engine, with suitable maintenance free batteries -1 No of capacity 12 V DC with 75 AH to be mounted in trays (having rubber insulation) on the main frame or the capacity as per specification of manufacturer. It should have the provision to charge the battery from external sources during static condition and while running of the generator. (Contd...)

(h) AC Generator :- The generator shall be horizontal and foot mounted, minimum 15 KVA, 415 Volts, 3 phase, 4 wire, 0.8 PF, 50 HZ, seperately excited, self regulated, brushless AC generator, suitable for an ambient temperature of 50° C with IP-23 enclosure class H insulation and temperature rise limited to class H as per following technical details:- (i) Type : Brush less AC Generators (ii) Output rating minimum :15 KVA (iii) Output Voltage: 415 ± 1% under all loading conditions. (iv) Output frequency : 50Hz ±0.5% up to 0.8 lagging. (v) No of Phases: 3 phase with 01 Neutral (4 wire) (vi) Mounting : Horizontal foot mounted. (vii) Enclosure : Minimum IP-23 / Drip proof and screen protected. (viii) Automatic voltage regulator. (ix) Class of insulation-'H' (x) AREP exciatation system Make : Stamford / Leroy-Somer / Koel NOTE : Following shall be deemed to be included in quoted unit rate against this item:- 1. Nessary foundation for installing the DG set and any other accessories shall be provided as per manufactures recommendation and cost of the same deemed to be included in the quoted rate. 2. Cost of testing including arrangement of artificial load upto 110 % of rated capacity, temporary arrangement of connecting cables, decibel meter and cost of fuel & testing material shall deemed to be included in the quoted rate. (j) BASE FRAME: Shall be stand by and fabricated from CRCA sheet or as recommended by the manufacturer metal which shall be suitable to mount the engine, alternator and radiator, channel width of base frame shall be adequate to accommodate anti-vibration pads. (Contd...)

M&L earthing complete with galvanised steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground in vertical position (earth pit not less than 2.25 m deep below the normal ground level) with top edge of the earth plate not less than 1.5 m below normal ground level, connected to earth lead of galvanised iron strip 32 x 6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel, all as shown in electrical plate No. 3 of SSR Part-I connected to earthing test point complete all as specified and directed. Note:- The unit rate shall also include for earth work in any type of soil, PCC 1:3:6 type C1 chamber, RCC 1:1.5:3, type A1 cover slab, 50 mm thick reinforced with 8 mm dia TMT bar @ 140 mm C/C both ways, 10 mm dia plain bar lifting handle embedded in cover slab, Main earthing lead from earth electrode to test point upto 7.5 m length, 20 mm bore medium grade GI watering pipe, 40 mm bore GI light grade earth lead protection pipe, funnel, wire mesh, copper lugs, charcoal and common salt in alternate layer etc.

M&L earthing complete with galvanised steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground in vertical position (earth pit not less than 2.25 m deep below the normal ground level) with top edge of the earth plate not less than 1.5 m below normal ground level, connected to galvanised earth lead wire of 4 mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel, all as shown in electrical plate No. 3 of SSR Part-I connected to earthing test point complete all as specified and directed. Note:- The unit rate shall also include for earth work in any type of soil, PCC 1:3:6 type C1 chamber, RCC 1:1.5:3, type A1 cover slab, 50 mm thick reinforced with 8 mm dia TMT bar @ 140 mm C/C both ways, 10 mm dia plain bar lifting handle embedded in cover slab, 20 mm bore medium grade GI watering pipe, 15 mm bore GI light grade earth lead protection pipe, funnel, wire mesh, copper lugs, charcoal and common salt in alternate layer etc.

Supply & laying LT XLPE insulated, armoured heavy duty electric cable with alumimium conductor, 1100 volts grade, cross sectional area 35 Sqmm x 4 Core, laid in trenches / duct / on pole complete all as specified and directed. Make :- Havells / KEI / Polycab / Gloster / Finolex

Supply & laying LT XLPE insulated, armoured heavy duty electric cable with alumimium conductor, 1100 volts grade, cross sectional area 16 Sqmm x 4 Core, laid in trenches / duct / on pole including taking exisitng cable complete all as specified and directed. Make :- Havells / KEI / Polycab / Gloster / Finolex

S&F cubical type LT panel board, outdoor type, factory made from CPRI approved factory, size not less than 0.5 m length x 1 m height x 0.6 m breadth, made out of 3.15 mm thick CRCA steel sheet and including MS angle iron 50 x 50 x 6 mm frame work, legs 0.6 m long, MC 100 channel base, totally enclosed, dust & vermin proof using neoprene rubber gasket (IP-54), double leaf door shutter in front side and single leaf shutter in rear side fixed with hinges having necessary locking arrangement in both front and rear door, with four side projected slanting roof, provided with louvers for ventilation / heat dissipation, duly powder coated of approved shade over a coat of red oxide primer both internally and externally and including mounting on PCC platform made out of PCC 1:3:6, 150 mm thick (100 mm below & 50 mm above GL) all round the panel board and including necessary earth work.

Excavation in trenches, not exc 1.5 m wide and not exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out all excavated material in soft / loose soil complete all as specified and directed.

Excavation in trenches, not exc 1.5 m wide and not exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out all excavated material in hard / dense soil complete all as specified and directed.

Returning, filling in and including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and as directed.

Removing of excavated surplus soil to a distance n. exc 50 m and depositing where directed at a level n. exc. 1.5 m above the starting point complete all as specified and directed.

M&L sand cushioning with clean and dry sand in trenches for protection of UG cable and including punning down complete all as specified and directed. Note:- Punned thickness shall only be measured and paid.

Supply & laying sub class 'B', class designation 75 bricks of old size, laid along alignment of cable as protection to cable in trenches complete all as specified and directed.

S&F 80 mm bore galvanised steel tubing, medium grade with necessary fittings, laid under road crossing, for cable protection complete all as specified and directed. Make - Tata / Jindal Steel / Surya Roshni Ltd. / Bhushan Power & Steel Ltd. / M/s APL Apollo Tubes Ltd

M&L for cutting the tarmac / hard standings in road and excavating trenches across the road in size not exceeding 0.45 m wide and 0.6 m depth for laying cable including refilling earth & making good top surface of the disturbed portion with 100mm thick PCC 1:3:6 or bituminous mix as per existing & matching with the surroundings complete all as specified and directed.

S&F steel tubular swaged poles conforming to IS-2713, complete with cast iron base plate, finial taper plug, bolts, nuts & screws, type 410 SP-31 (9 m long) and including painting with two coat of aluminium paint over a coat of primer on exposed surfaces and black bituminous paint on steel surface embeded in concrete and 03 Nos band / strips with white synthetic enamel paint, 30 cm wide each at a distance of 30 cm from top of plinth block and numbering of poles including taking down existing poles and making good disturbed surface to match with existing complete all as specified and directed. Note:- Excavation, earth work and PCC work will be measured and paid for separately under respective items. Make of Pole:- Calcutta Poles & Tubes / Skipper Limited / Jindal Steel / National tubing Co / Bombay tube & Store Make of paint :- Jotun India Pvt Ltd / Asian Paints / Berger / Jenson & Nicholson Paints Ltd / Shalimar Paints Ltd

S&F weather proof cable junction box of size not less than 250 mm x 200 mm x 105 mm, made out from SMC/PC, with terminals, IP 66 (minimum), suitable for outdoor installation, suitable for 16 to 35 sqmm cable, including 01 No 5/6 Amp MCB, 50 Amp rated 3 pole connector, fixing arrangement with MS flat of size 25 x 3 mm with necessary nuts, bolt and washers including taking down junction box at existing poles complete all as specified and directed. Make :- Hensel / Sintex Industries Ltd. / C&S electric Ltd. / National

Taking down carefully existing serviceable cable junction box from old street light poles and re-fixing the same at new street light poles complete all as specified and as directed by Engr-in-Charge.

S&F PVC insulated 3 core multistranded sheathed cable with 1.5 Sqmm copper conductor for connection of street / security light etc, including taking down connection wire at existing pole complete all as specified and directed. Make:- Havells / KEI / Polycab / RR Kabel Ltd. / HPL

Taking down carefully existing serviceable street light connection wire from old street light poles and re-fixing the same at new street light poles from street light fitting to junction box complete all as specified and as directed by Engr-in-Charge.

M&L for bracket suitable for street light made out of GI pipe light grade of 40 mm bore & 0.75 mtr length (minimum), bend to shape including 2 pairs of MS flat iron clamps made out of 36 x 6 mm MS flat, nuts, bolts & washers etc, & painting the bracket with two coat of aluminium paint over a coat of red oxide primer complete all as specified and directed. Make of Pipe :- Tata / Jindal Steel / Surya Roshni Ltd. / Bhushan Power & Steel Ltd. / M/s APL Apollo Tubes Ltd

M&L PCC 1:3:6 type C-2 (using 40 mm graded crushed stone aggregate) as in foundation of poles including demolition of Foundation PCC of existing poles complete all as specified and directed.

M&L cement concrete 1:3:6 type C1, (using 20 mm graded crushed stone aggregate) as in coping of poles including necessary formwork & demolition of PCC coping of existing poles complete all as specified and directed.

Taking down carefully existing serviceable street light from old street light poles and re-fixing the same at new street light poles complete all as specified and as directed by Engr-in-Charge.

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